-2x^2-2x+5=x^2

Simple and best practice solution for -2x^2-2x+5=x^2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -2x^2-2x+5=x^2 equation:


Simplifying
-2x2 + -2x + 5 = x2

Reorder the terms:
5 + -2x + -2x2 = x2

Solving
5 + -2x + -2x2 = x2

Solving for variable 'x'.

Combine like terms: -2x2 + -1x2 = -3x2
5 + -2x + -3x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
5 + -2x + -3x2 = 0

Factor a trinomial.
(1 + -1x)(5 + 3x) = 0

Subproblem 1

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Subproblem 2

Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667

Solution

x = {1, -1.666666667}

See similar equations:

| 7x-15=-2x^2 | | 7x-15=2x^2 | | t^2+2t=-1 | | 2x^4-x^2-10x-8=0 | | 2t-cos(t)=0 | | (3+5i)(4+4i)=0 | | (2+4i)(3+3i)=0 | | 5-7a^2=-80 | | 15=3m-8 | | x(x-3)(x-3)=0 | | x^2-2mx+m^2-8m=0 | | 6i(4-12i)=0 | | 6p^4-12p^3+6p^2=0 | | p^4-2p^3+p^2=0 | | 4a+6b-2a= | | 10y^2-29y+21=0 | | 7a+3b-6a= | | (x+y-1)dx+(2x+2y+1)dy=0 | | 2a+3b-6a= | | -6=1-5n-1 | | 4x(7x-11)= | | 25-6y=13-8r | | 9.36=5.7v-3.9v | | 6x+7=-41-2r | | 5(1-8v)-4=161 | | -4n+3(8n-4)=108 | | -3(-5m+3)=96 | | 7(p-4)=84 | | 5n-7=2n-5 | | (2-i)*z-4=0 | | 0.23=x*x*x-0.23*x | | 7-4x=-15 |

Equations solver categories